<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>十进制转换为八进制</title>

 </head>
 <body><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="function.dechex.html">dechex</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="function.deg2rad.html">deg2rad</a></div>
 <div class="up"><a href="ref.math.html">Math 函数</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="function.decoct" class="refentry">
   <div class="refnamediv">
    <h1 class="refname">decoct</h1>
    <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">decoct</span> &mdash; <span class="dc-title">十进制转换为八进制</span></p>

   </div>
 <div class="refsect1 description" id="refsect1-function.decoct-description">
  <h3 class="title">说明</h3>
     <div class="methodsynopsis dc-description">
      <span class="type">string</span> <span class="methodname"><strong>decoct</strong></span>
       ( <span class="methodparam"><span class="type">int</span> <code class="parameter">$number</code></span>
      )</div>

    <p class="para rdfs-comment">
     返回一字符串，包含有给定 <em><code class="parameter">number</code></em>
     参数的八进制表示。所能转换的最大数值为十进制的
     4294967295，其结果为 &quot;37777777777&quot;。
    </p>
   </div>

 <div class="refsect1 parameters" id="refsect1-function.decoct-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">number</code></em></dt>

     <dd>

      <p class="para">
       待转换的十进制值
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.decoct-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   <em><code class="parameter">number</code></em>
     参数八进制表示的字符串。
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.decoct-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-3365">
    <p><strong>Example #1 <span class="function"><strong>decoct()</strong></span> 范例</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">decoct</span><span style="color: #007700">(</span><span style="color: #0000BB">15</span><span style="color: #007700">)&nbsp;.&nbsp;</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo&nbsp;</span><span style="color: #0000BB">decoct</span><span style="color: #007700">(</span><span style="color: #0000BB">264</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
17
410
</pre></div>
    </div>
   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.decoct-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.octdec.html" class="function" rel="rdfs-seeAlso">octdec()</a> - 八进制转换为十进制</span></li>
    <li class="member"><span class="function"><a href="function.decbin.html" class="function" rel="rdfs-seeAlso">decbin()</a> - 十进制转换为二进制</span></li>
    <li class="member"><span class="function"><a href="function.dechex.html" class="function" rel="rdfs-seeAlso">dechex()</a> - 十进制转换为十六进制</span></li>
    <li class="member"><span class="function"><a href="function.base-convert.html" class="function" rel="rdfs-seeAlso">base_convert()</a> - 在任意进制之间转换数字</span></li>
   </ul>
  </p>
 </div>

  </div><hr /><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="function.dechex.html">dechex</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="function.deg2rad.html">deg2rad</a></div>
 <div class="up"><a href="ref.math.html">Math 函数</a></div>
 <div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
